Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Deriving Transit Performance Metrics from GTFS Data https://rip.trb.org/View/2732356 Tue, 21 Jul 2026 16:26:51 GMT https://rip.trb.org/View/2732356 Statewide Multimodal Destination Access Methods and Demographic Analysis https://rip.trb.org/View/2725639 Wed, 08 Jul 2026 16:48:29 GMT https://rip.trb.org/View/2725639 Assessing the Reliability of Hard Braking and Other Vehicle-Based Metrics as Surrogate Safety Measures https://rip.trb.org/View/2712175 Tue, 09 Jun 2026 13:01:03 GMT https://rip.trb.org/View/2712175 Research for the AASHTO Standing Committee on Planning. Task 74. Customer Research Practices and Applications in Transportation https://rip.trb.org/View/2706278 Wed, 27 May 2026 14:49:50 GMT https://rip.trb.org/View/2706278 Phase II: After Study Evaluation of Interstate 4 (I-4) Florida's Regional Advanced Mobility Elements (FRAME) Project (After Analysis) https://rip.trb.org/View/2706007 Fri, 22 May 2026 09:10:26 GMT https://rip.trb.org/View/2706007 A Framework for Integrated Quality of Service Evaluation using Operational and Safety Considerations https://rip.trb.org/View/2703926 Thu, 21 May 2026 22:41:30 GMT https://rip.trb.org/View/2703926 Successful Approaches to Applying Project Management Performance Metrics to Achieve Strategic Process Improvements https://rip.trb.org/View/2681236 Tue, 17 Mar 2026 15:06:44 GMT https://rip.trb.org/View/2681236 Developing Simplified and Unified Planning-Level Metrics for Operational Benefits https://rip.trb.org/View/2663585 Tue, 03 Feb 2026 10:42:50 GMT https://rip.trb.org/View/2663585 Resilience Performance Measures https://rip.trb.org/View/2593942 Thu, 28 Aug 2025 11:32:35 GMT https://rip.trb.org/View/2593942 Pavement Distress Evaluation and Cracking Indices Generation using Deep Learning https://rip.trb.org/View/2563770 Fri, 13 Jun 2025 12:48:03 GMT https://rip.trb.org/View/2563770 Guide to Measuring Community Mobility Resilience https://rip.trb.org/View/2558413 Tue, 27 May 2025 20:36:21 GMT https://rip.trb.org/View/2558413 Disabled Parking CV: Scalable Methods to Analyze Disability Parking using Computer Vision and High-Resolution Aerial and Streetscape Images https://rip.trb.org/View/2553158 Tue, 13 May 2025 19:30:49 GMT https://rip.trb.org/View/2553158 Development of a Scalable, Low-Cost, Environmentally-Friendly Adaptive Traffic Signal Control (SLE-ATSC) System https://rip.trb.org/View/2495005 Fri, 31 Jan 2025 16:35:57 GMT https://rip.trb.org/View/2495005 How Do Mode-Specific Network Metrics Impact Safety Outcomes? https://rip.trb.org/View/2472695 Mon, 09 Dec 2024 10:04:49 GMT https://rip.trb.org/View/2472695 Improve Utility Investigations through AI Data Fusion and Reliable Quality Assessments https://rip.trb.org/View/2437689 Thu, 03 Oct 2024 10:31:18 GMT https://rip.trb.org/View/2437689